Comparison

Game's Clock vs Go Challenger

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Game's Clock

This application functions as a timer for board games like Go, Chinese Chess, and traditional chess. It provides voice alerts for the final 10 seconds of a countdown, adhering to Go rules.

Highlights
  • Countdown timer for board games
  • Supports Go, Chinese Chess, and Chess
  • Voice alerts for final 10 seconds
  • Customizable countdown based on game rules
Read full description

This is Clock for Go, Chinese Chess, chess. This app will bring up the voice from the remaining seconds to 10 seconds before the countdown based on the Go rules. Please put shortcomings review will reflect modifications.

About

Go Challenger

Enhance your Go skills with daily Life & Death quizzes and AI-powered move analysis. Practice thousands of problems tailored to your level, compete globally, and test your abilities.

Highlights
  • AI-powered move analysis
  • 5,000+ Life & Death quizzes
  • Daily tailored quizzes
  • Global user competition
  • Level testing
  • Customizable Go stones and boards
Features
Read full description

High-quality Life&Death application that is more fun and easy to understand with AI responding to all moves! It is a Go game that was created with the long-standing know-how and technology of the global Go site TYGEM. Improve your Go skills with carefully selected Life&Death quizzes every day. Characteristics of the game - PRO AI will respond to all your moves until you understand them. AI accepts all the wrong moves, so you can try indefinitely with your own thoughts. If you try multiple times, you'll be close to the answer. - There are approximately 5,000 high-quality Life&Death quizzes waiting for you. The quizzes are divided by "To kill" and "To live", so you can choose the quiz you want and try it. Also, each is divided into 7 levels of difficulty, so experience the quiz that fits your level right away. - A new quiz tailored to your Go level is recommended every day. Challenge your own Life&Death quizzes that change every day. Life&Death quizzes tailored to your level will upgrade your Go level further. - Compete with users all over the world Each quiz has a record of the number of challenges and success rates of users worldwide. If you succeed in a Life&Death quiz for the first time, you will remain the eternal successful challenger of the quiz. Try challenging quizzes with low success rates - How strong is my Life&Death level? You don't have to solve all the quizzes to know your level. Check your level in a short period of time with the level test. If you knew your level, all you have to do is boost your level. - Various Go stones and Go board skins If you're tired of the classic Go background, try changing the Go skin to suit your taste. There are many combinations of Go stones and Go boards, so find the best combination that makes you feel the best.

Screenshots

Game's Clock4 screens
Go Challenger4 screens

Verdict

The call

The clearest difference is rating: Go Challenger at 4.7 against Game's Clock's 4.0. Go Challenger also leads on update cadence (every 5 weeks vs every 20 months) and review sentiment (61% vs 50%). Game's Clock's advantage is in-app purchases (none vs 5) and ads (none vs shown). On price and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Go Challenger sells 5 one-off in-app purchases. Game's Clock asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Go Challenger holds the better App Store score, 4.7 against 4.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews point the same way: 50% of Game's Clock's written reviews are positive against 61% of Go Challenger's.

UpkeepUpdate frequency

Game's Clock ships an update every 20 months, Go Challenger every 5 weeks. The most recent releases landed on September 3, 2026 and September 25, 2026 respectively.

Scorecard8 real differences · 2 level
Game's Clock versus Go Challenger: the parameters behind the verdict, then further details
ParameterGame's ClockGo Challenger
PriceFreeFree
Rating4.0 (1 ratings)4.7 (3 ratings) — better
Positive reviews50.0% of reviews60.9% of reviews — better
Number of ratings13 — better
Update frequencyEvery 20 monthsEvery 5 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.613.0 — better
Further details — not scored
Size24 MB109 MB
Age rating4+4+
DeveloperJongHyun LeeCom2uS TYGEM Corporation

Customer experience

Game's Clock

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews6 reviews
Positive50.0%
Neutral33.3%
Negative16.7%

Go Challenger

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews23 reviews
Positive60.9%
Neutral8.7%
Negative30.4%

In-app purchases

None

Game's Clock

No in-app purchases

5 purchases

Go Challenger

One-time5
  • Key Single Item 1$1.99
  • Ad Removal Item$1.99
  • Key Single Item 2$3.99
Show 2 more
  • Monthly limitation$5.99
  • Key Single Item 3$19.99

Questions

Is Game's Clock free?
Game's Clock is free to download, with no in-app purchases.
Is Go Challenger free?
Go Challenger is free to download, with in-app purchases available.
Which has better reviews, Game's Clock or Go Challenger?
Go Challenger is rated higher. Game's Clock averages 4.0 out of 5 from 1 ratings, while Go Challenger averages 4.7 from 3 ratings.
Do Game's Clock or Go Challenger have ads?
Go Challenger shows ads; Game's Clock does not.
Which is updated more often, Game's Clock or Go Challenger?
Game's Clock ships an update every 20 months, and Go Challenger every 5 weeks. Most recently, Game's Clock was updated on September 3, 2026 and Go Challenger on September 25, 2026.

Other comparisons